Pith Number

pith:4R4PWJRX

pith:2015:4R4PWJRXT3KC7PYCVODI7VKESB

not attested not anchored not stored refs pending

Higher chordality: From graphs to complexes

Eran Nevo, Jose A. Samper, Karim A. Adiprasito

arxiv:1503.05620 v3 · 2015-03-19 · math.CO · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4R4PWJRXT3KC7PYCVODI7VKESB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:28:38.667635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e478fb26379ed42fbf02ab868fd544907cf43af902a25cdd81582f0fce1e8ed8

Aliases

arxiv: 1503.05620 · arxiv_version: 1503.05620v3 · doi: 10.48550/arxiv.1503.05620 · pith_short_12: 4R4PWJRXT3KC · pith_short_16: 4R4PWJRXT3KC7PYC · pith_short_8: 4R4PWJRX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4R4PWJRXT3KC7PYCVODI7VKESB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e478fb26379ed42fbf02ab868fd544907cf43af902a25cdd81582f0fce1e8ed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49b12b5a1964c267ffbac4001a8bb33c219e3d6bbeda408a794d58522bdb5f51",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-03-19T00:08:32Z",
    "title_canon_sha256": "6289b6a20c889d148073c84d84483347165e116f39d3da11d29cd3d3fac3c41e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05620",
    "kind": "arxiv",
    "version": 3
  }
}